Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark J Fleschler, MD

Individual provider Internal Medicine Physician · NPI 1083652986

Mark J Fleschler, MD is an Internal Medicine in Dallas, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1984, 42 years ago. Practices with Fleschler and Phillips Medical Group LLC, a 2-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
42
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8230 Walnut Hill Ln Ste 800
Dallas, TX 75231-4491
Phone: (214) 345-1220
Fax: (214) 750-2998
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence G8110 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence G8110 (TX)

Record details

NPI number1083652986
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2006
Last updated in NPPESJuly 21, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1984 (42 years in practice)
Group practice Fleschler And Phillips Medical Group Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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